Possible Clues:

• Loud shrieking comes from this bird
• Bird
• Getting pickled gherkins, if a riverside denizen
• Bird takes gherkins, if desperate
• Bird, with end of beak, snapped his finger
• Queen's husband, number three in RAF, is her flyer in blue
• Bird shrieking horribly, loud coming in
• Two rulers holding search for flyer
• Larry and Carrie's favorite bird?
• Bird family has good tree in which female nests